Australia's Science Forum

Hi Everyone,

Just wondering....Is Zinc Powder a teacher only chemical? I have looked in CSIS and could only find Zinc Dust (which to me is the same as Zinc Powder).

I realise Zinc Metal, Granules and Foil are all ok for years 7-12, but concerned about the powder???

Thanks

This is taken from the Risk Assess site.

zinc metal powder (zinc dust, flowers of zinc)

Class: 4.3 PG: II

Teacher

CAS: 7440-66-6 UN: 1436

Potential hazards
Fine powder ignites on heating and forms explosive mixtures with sulfur, bromine and iodine, or if dispersed finely in air; otherwise harmless.